This app has been great since it first came out, and the developers show every time that they know what they are doing. Buy this app, and you won't be disappointed.
Update 2-Apr-2017: the developers on Facebook are hinting at updates soon, which are badly needed and much appreciated!
Update 2-Aug-2017: the update finally came out, and it is perfect. So many bugs fixed, and the app works like never before!